Live.com Account

Try troubleshooting steps given here: http://go.microsoft.com/fwlink/p/?LinkId=268424

Sign in on a different PC

See if you can sign in to your account on a different PC. For example, if you normally use your PC at home, try using a different PC on a different Internet connection. If you can sign in on that PC, it's possible that there has been a temporary issue with your connection, PC, or web browser settings.

Here are some things that you can try to fix the problem with your usual PC:

• Restart your PC.

• Check to see if your PC’s date and time are set correctly.

• Set your web browser to accept third-party cookies.

Sign in to other Microsoft sites or services

See if you can sign in to other Microsoft sites or services, such as Outlook.com, SkyDrive, or Xbox LIVE. If you can sign in to one of these sites, the issue is likely with the site you were trying to sign in to, not with your account.

Check your firewall and antivirus programs

Check the documentation for the firewall or antivirus programs you're using, to see if they might be blocking the site you’re trying to access.

Source: Microsoft Website

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